shemum

@@ -65,6 +65,7 @@ console_func function {
                        -m $RAM -smp $CPU
 }
 
+# Virtual machine initialization with a console
 init_func function {
   mkdir -p "$ROOT_PATH/$OS_NAME"
   qemu-img create $IMG_PATH $DISK_SIZE
@@ -84,6 +85,15 @@ init_func function {
                     -m $RAM -smp $CPU
 }
 
+# Display usage
+usage_func function {
+  printf "Usage: shemum [init] <virtual machine name> <disk size>"
+  printf " init        initialize a virtual machine"
+  printf " start       start a QEMU virtual machine without console output"
+  printf " console     start a QEMU virtual machine with console output"
+  printf " remove      remove virtual machine directory and all it's contents"
+}
+
 # Options
 case $OPTION in
   # Initializes the VM and starts the installer image.
@@ -100,11 +110,7 @@ case $OPTION in
     remove_func
   ;;
   *)
-    echo "Usage: shemum [init] <virtual machine name> <disk size>"
-    echo " init        initialize a virtual machine"
-    echo " start       start a QEMU virtual machine without console output"
-    echo " console     start a QEMU virtual machine with console output"
-    echo " remove      remove virtual machine directory and all it's contents"
+    usage_func
 esac